wannacry | 707f6c5f1b711816e7fa9ab146e94cf61aac0af8c7105da60fcf06d079e8e569

General

Target

2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Size

5.0MB
MD5

999b85e6c39524b7beaabe7e62f5b828
SHA1

7f263f452d78b7bf6cdb0dba89f2fc9f723e0738
SHA256

707f6c5f1b711816e7fa9ab146e94cf61aac0af8c7105da60fcf06d079e8e569
SHA512

812459c6e035bec551c2cba6071ed365a470f419b8905a8401737128c7d2529d7e92a5195eac3cf70ef36eb640b7499189cabd751c5822f5c262416176e35562
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3316) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
2240	tasksche.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D9B3702-0093-465D-913D-830EBBC758EF}\WpadDecisionTime = 40f1a7a87c6fdb01	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D9B3702-0093-465D-913D-830EBBC758EF}\WpadDecision = "0"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D9B3702-0093-465D-913D-830EBBC758EF}\86-ff-71-c4-46-0a	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-ff-71-c4-46-0a\WpadDecisionReason = "1"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-ff-71-c4-46-0a\WpadDecisionTime = 40f1a7a87c6fdb01	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-ff-71-c4-46-0a\WpadDecision = "0"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D9B3702-0093-465D-913D-830EBBC758EF}	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D9B3702-0093-465D-913D-830EBBC758EF}\WpadNetworkName = "Network 3"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-ff-71-c4-46-0a	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0199000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D9B3702-0093-465D-913D-830EBBC758EF}\WpadDecisionReason = "1"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1716
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2240

C:\Users\Admin\AppData\Local\Temp\2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-25_999b85e6c39524b7beaabe7e62f5b828_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
4494256f186e5f30737e2d93f9e15f65

SHA1
a58c00600d586f4f4753acec51499a4fccc04d1f

SHA256
1e9bc7de8e823eba8c1898a266545d353e6d4f44ef93c206a8736afc0456207a

SHA512
0af2ca2e362968a156bd88786c6fb4405e11d783af02a14325c64c08ac5b9176d6bbb2d700a556335891eac963ae8e0a3304df8b2993e86d0b4af6e27dcc6f25

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Analysis

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